/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.csp.sentinel.dashboard.repository.rule;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.RuleEntity;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * @author leyou
 */
public abstract class InMemoryRuleRepositoryAdapter<T extends RuleEntity> {

  public T findById(Long id) {
    return null;
  }

  public List<T> findAllByApp(String appName) {
    return new ArrayList<>();
  }

  /**
   * Get next unused id.
   *
   * @return next unused id
   */
  abstract protected long nextId();
}
